Finding the Third Proportional to 31,249.88 and 48,400.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,249.88 : 48,400.50 = 48,400.50 : x
2. Step 2: Convert to fraction form
   31,249.88/48,400.50 = 48,400.50/x
3. Step 3: Cross multiply
   31,249.88x = 48,400.50 × 48,400.50
4. Step 4: Simplify right side
   31,249.88x = 2,342,608,400.25
5. Step 5: Solve for x
   x = 2,342,608,400.25/31,249.88
6. Step 6: Final answer
   x = 74,963.77